Place regulator between fuel pump and carburetor to regulate fuel pressure when using mechanical and electric performance fuel pumps. Two piece aluminum body has a single 3/8"NPT inlet port on the bottom and two3/8"NPT side outlet ports. "Dead Head" style regulator does not require a return line back to fuel tank or cell. 1/8" NPT port for mounting a fuel pressure gauge or sender line. Regulator also includes steel mounting bracket.